<template>
  <div class="app-container">
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="teacherQuery.name" placeholder="讲师名"/>
      </el-form-item>
      <el-form-item>
        <el-select v-model="teacherQuery.level" clearable placeholder="讲师头衔">
          <el-option :value="1" label="高级讲师"/>
          <el-option :value="2" label="首席讲师"/>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-date-picker
          v-model="teacherQuery.begin"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-form-item>
        <el-date-picker
          v-model="teacherQuery.end"
          type="datetime"
          placeholder="选择截止时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-button type="primary" @click="getList()">查询</el-button>
    </el-form>
    <el-table
      v-loading="listLoading"
      :data="list"
      element-loading-text="数据加载中"
      border
      fit
      highlight-current-row>
      <el-table-column
        label="序号"
        width="70"
        align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>
      <el-table-column prop="name" label="名称" width="80" />
      <el-table-column label="头衔" width="80">
        <template slot-scope="scope">
          {{ scope.row.level===1?'高级讲师':'首席讲师' }}
        </template>
      </el-table-column>
      <el-table-column prop="intro" label="资历" />
      <el-table-column prop="gmtCreate" label="添加时间" width="160"/>
      <el-table-column prop="sort" label="排序" width="60" />
      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <router-link :to="{path: '/teacher/edit?id='+scope.row.id}">
            <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
          </router-link>
          <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <el-pagination
      :total="total"
      :page-size="limit"
      background
      layout="prev, pager, next"
      style="margin-top: 20px;"
      @current-change="handleCurrentChange">
    </el-pagination>
  </div>
</template>

<script>
import teacher from "../../../api/teacher/teacher"
import { Message } from 'element-ui'
import form from "./form"

export default {
  name: 'List',
  components: {
    form
  },
  data() {
    return {
      list: null,
      page: 1,
      limit: 2,
      total: 0,
      teacherQuery: {
        name: '',
        level: '',
        begin: '',
        end: ''
      },
      listLoading: true
    }
  },
  created() {
    this.getList()
  },
  methods: {
    getList() {
      this.listLoading = true
      teacher.getTeacherLisPage(this.page, this.limit, this.teacherQuery)
        .then(res => {
          this.list = res.data.rows
          this.total = res.data.total
          this.listLoading = false
        })
        .catch(err => {
          console.log(err)
          this.listLoading = false
        })
    },
    handleCurrentChange(currentPage) {
      this.page = Number(currentPage)
      this.getList()
    },
    removeDataById(id) {
      this.$confirm('确认删除？', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        return new Promise((resolve, reject) => {
          teacher.removeTeacher(id).then(() => {
            Message({
              message: '成功删除',
              type: 'success',
              duration: 2 * 1000
            })
            this.getList()
            resolve()
          }).catch(err => {
            Message({
              message: err,
              type: 'error',
              duration: 5 * 1000
            })
            reject()
          })
        })
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        })
      })
    },
    showDetail(id) {
      this.$router.push(`/teacher/edit?id=${id}`)
    }
  }
}
</script>

<style scoped>

</style>
